Panel bed



FIG. 1 is a perspective view of my new design, the view from the opposite side being the same;

FIG. 2 is a front end view of my new design; and

FIG. 3 is a rear end view of my new design;

FIG. 4 is a right side elevation view of my new design;

FIG. 5 is a left side view of my new design;

FIG. 6 is a top plan view of my new design; and,

FIG. 7 is a bottom plan view of my new design.

The broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a panel bed, as shown and described. 